2009 Audi A5 vs. 2005 Opel Vectra
To start off, 2009 Audi A5 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2005 Opel Vectra would be higher. At 2,965 cc (6 cylinders), 2009 Audi A5 is equipped with a bigger engine. In terms of performance, 2009 Audi A5 (237 HP @ 4000 RPM) has 117 more horse power than 2005 Opel Vectra. (120 HP @ 5400 RPM). In normal driving conditions, 2009 Audi A5 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A5 weights approximately 140 kg more than 2005 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A5 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2009 Audi A5 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 Audi A5 (500 Nm @ 1500 RPM) has 333 more torque (in Nm) than 2005 Opel Vectra. (167 Nm @ 3800 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra. 2005 Opel Vectra has automatic transmission and 2009 Audi A5 has manual transmission. 2009 Audi A5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A5 | 2005 Opel Vectra | |
| Make | Audi | Opel |
| Model | A5 | Vectra |
| Year Released | 2009 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 120 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 500 Nm | 167 Nm |
| Torque RPM | 1500 RPM | 3800 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1610 kg | 1470 kg |
| Vehicle Length | 4630 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1380 mm | 1510 mm |
